Aug 31 19:02:06.860 INFO checking pear_codegen-0.0.20 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 19:02:06.861 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 19:02:06.861 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 19:02:07.034 INFO blam! 65c02bb5072fa3687ea7829f1914b0b1b5380024a5b8887f0ee83ca4fda62b7a
Aug 31 19:02:07.038 INFO running `"docker" "start" "-a" "65c02bb5072fa3687ea7829f1914b0b1b5380024a5b8887f0ee83ca4fda62b7a"`
Aug 31 19:02:07.665 INFO kablam!    Compiling pear_codegen v0.0.20 (file:///source)
Aug 31 19:02:08.588 INFO kablam! error: failed to run custom build command for `pear_codegen v0.0.20 (file:///source)`
Aug 31 19:02:08.588 INFO kablam! process didn't exit successfully: `/target/debug/build/pear_codegen-5df06fb76e1395a9/build-script-build` (exit code: 101)
Aug 31 19:02:08.588 INFO kablam! --- stderr
Aug 31 19:02:08.588 INFO kablam! Error: Pear requires a more recent version of rustc.
Aug 31 19:02:08.588 INFO kablam! Use `rustup update` or your preferred method to update Rust.
Aug 31 19:02:08.588 INFO kablam! Installed version is: 1.30.0-nightly (2018-08-21). Minimum required: 1.30.0-nightly (2018-08-23).
Aug 31 19:02:08.588 INFO kablam! thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', build.rs:43:13
Aug 31 19:02:08.588 INFO kablam! stack backtrace:
Aug 31 19:02:08.588 INFO kablam!    0:     0x555771d7fb7e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h5b93042d6f15f800
Aug 31 19:02:08.588 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 31 19:02:08.588 INFO kablam!    1:     0x555771d70fe6 - std::sys_common::backtrace::print::h20e4b3ea37b660b2
Aug 31 19:02:08.588 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 31 19:02:08.589 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 31 19:02:08.589 INFO kablam!    2:     0x555771d6f95d - std::panicking::default_hook::{{closure}}::h795a478e1aaada94
Aug 31 19:02:08.589 INFO kablam!                                at libstd/panicking.rs:211
Aug 31 19:02:08.589 INFO kablam!    3:     0x555771d6f6d0 - std::panicking::default_hook::h62c69762e441cd31
Aug 31 19:02:08.589 INFO kablam!                                at libstd/panicking.rs:227
Aug 31 19:02:08.589 INFO kablam!    4:     0x555771d6ff1c - std::panicking::rust_panic_with_hook::hb56a094fe82bce4d
Aug 31 19:02:08.589 INFO kablam!                                at libstd/panicking.rs:475
Aug 31 19:02:08.589 INFO kablam!    5:     0x555771d54a5f - std::panicking::begin_panic::h293e1830e2d42ae4
Aug 31 19:02:08.589 INFO kablam!                                at /checkout/src/libstd/panicking.rs:409
Aug 31 19:02:08.589 INFO kablam!    6:     0x555771d5303a - build_script_build::main::h473ab750e178ed27
Aug 31 19:02:08.589 INFO kablam!                                at /source/build.rs:43
Aug 31 19:02:08.589 INFO kablam!    7:     0x555771d5534f - std::rt::lang_start::{{closure}}::h6772f1a314ee1312
Aug 31 19:02:08.589 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 31 19:02:08.589 INFO kablam!    8:     0x555771d6fa02 - std::panicking::try::do_call::h344c73344a3fd6f6
Aug 31 19:02:08.589 INFO kablam!                                at libstd/rt.rs:59
Aug 31 19:02:08.589 INFO kablam!                                at libstd/panicking.rs:310
Aug 31 19:02:08.589 INFO kablam!    9:     0x555771d91f89 - __rust_maybe_catch_panic
Aug 31 19:02:08.589 INFO kablam!                                at libpanic_unwind/lib.rs:102
Aug 31 19:02:08.589 INFO kablam!   10:     0x555771d7ab55 - std::rt::lang_start_internal::h4ab4abaf01dcd012
Aug 31 19:02:08.589 INFO kablam!                                at libstd/panicking.rs:289
Aug 31 19:02:08.589 INFO kablam!                                at libstd/panic.rs:392
Aug 31 19:02:08.589 INFO kablam!                                at libstd/rt.rs:58
Aug 31 19:02:08.589 INFO kablam!   11:     0x555771d55327 - std::rt::lang_start::hb81661dd3896ddc9
Aug 31 19:02:08.589 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 31 19:02:08.589 INFO kablam!   12:     0x555771d53a49 - main
Aug 31 19:02:08.589 INFO kablam!   13:     0x7f410037382f - __libc_start_main
Aug 31 19:02:08.589 INFO kablam!   14:     0x555771d52458 - _start
Aug 31 19:02:08.589 INFO kablam!   15:                0x0 - <unknown>
Aug 31 19:02:08.589 INFO kablam! 
Aug 31 19:02:08.589 INFO kablam! su: No module specific data is present
Aug 31 19:02:09.019 INFO running `"docker" "rm" "-f" "65c02bb5072fa3687ea7829f1914b0b1b5380024a5b8887f0ee83ca4fda62b7a"`
Aug 31 19:02:09.152 INFO blam! 65c02bb5072fa3687ea7829f1914b0b1b5380024a5b8887f0ee83ca4fda62b7a